Here is the full list of all 47 NieR:Automata achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
50 machine lifeforms destroyed with berserk mode.
20 different kinds of fish caught.
All Pods upgraded to the highest level.
100 machine lifeforms destroyed by hacking.
All endings achieved.
All weapons upgraded to the highest level.
80% of all plug-in chips collected.
1 hour played with 9S in a certain state.
80% of all archives found.
All Pod programs obtained.
Emil destroyed.
50 machine lifeforms destroyed by remote control.
2B's secret discovered 10 times.
View the final credits.
Achieve 9S's ending.
Achieve A2's ending.
Watch the final moments of Devola and Popola.
Stop all resource recovery units.
80% of all unit data unlocked.
80% of all quests completed.
Grant Pascal's final request.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
The place of memories has been visited.
Any animal ridden for 5 kilometers.
Any weapon upgraded to the highest level.
Materials gathered at a hidden harvest point 10 times.
All Pods found.
At least 100,000 G in possession.
Play your first hacking game.
Achieve ending A.
Complete the abandoned factory.
10 friendly machine lifeforms destroyed.
Complete the copied city.
Have 100 bodies collected.
Emil's shop used for the first time.
Complete the flooded city.
255 enemies destroyed using a flight unit.
Complete the forest castle.
Complete the alien ship.
Complete the amusement park ruins.
Complete the desert area.
Have your body collected.
Complete your first quest.
Arrive at the city ruins.
Stare into space from the Bunker.